body {
    font-family: Arial, sans-serif;
    background-image: url('image.png'); /* 假设图片和CSS文件在同一目录 */
    /* background-image: url('images/image.png'); */ /* 如果图片在images文件夹中 */
    background-size: cover; /* 覆盖整个元素 */
    background-position: center; /* 居中显示 */
    background-repeat: no-repeat; /* 不重复 */
}

.container {
    width: 80%;
    margin: auto;
    padding: 20px;
}

#postForm textarea {
    width: 100%;
    height: 100px;
}

#postForm button {
    margin-top: 10px;
}

.post {
    border: 1px solid #ddd;
    padding: 10px;
    margin-top: 10px;
}

.post-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.post-actions {
    display: flex;
    gap: 10px;
}